100
FZUS52 KMLB 131220
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
820 AM EDT Sun Sep 13 2026

Atlantic coastal waters from Flagler Beach to Jupiter Inlet out 60 nm.

Seas are provided as a range of the average height of the highest
one third of the waves, along with the occasional height of the
average highest ten percent of the waves.

AMZ500-140115-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
820 AM EDT Sun Sep 13 2026

.SYNOPSIS...Broad high pressure over the Atlantic waters will
maintain generally favorable boating conditions early this week.
Scattered showers and storms are forecast each day, capable of
gusty winds and frequent lightning. A surface high is forecast to
expand over the eastern U.S. into the middle of next week, leading
to increasing winds and seas across the local Atlantic.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Sunday, September 13th, 2026.

42 nautical miles east of Ponce Inlet.
30 nautical miles east of Port Canaveral.
22 nautical miles east of Sebastian Inlet.
16 nautical miles east of Fort Pierce Inlet.
 9 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-140115-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
820 AM EDT Sun Sep 13 2026

.REST OF TODAY...West winds around 5 knots, becoming northwest
late this morning, becoming southeast this afternoon. Seas
2 feet. Wave Detail: East 2 feet at 9 seconds. Smooth on the
intracoastal waters. A slight chance of showers and thunderstorms
this afternoon.
.TONIGHT...Southwest winds around 5 knots, becoming west after
midnight. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds.
Smooth on the intracoastal waters. A slight chance of showers and
thunderstorms in the evening.
.MONDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 2 feet. Wave Detail: East 2 feet at
9 seconds. A light chop on the intracoastal waters.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 feet. Wave
Detail: East 2 feet at 9 seconds and east 1 foot at 4 seconds.
Smooth on the intracoastal waters. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Northeast 3 feet at 4 seconds and east 2 feet at 9 seconds.
Choppy on the intracoastal waters. A chance of showers with a
slight chance of thunderstorms in the morning, then showers
likely with a chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet, building to 6 to 7 feet, occasionally to 9 feet after
midnight. Wave Detail: Northeast 6 feet at 8 seconds and
northeast 3 feet at 4 seconds, becoming northeast 7 feet at
7 seconds after midnight. Rough on the intracoastal waters.
Showers likely with a slight chance of thunderstorms in the
evening, then a chance of showers after midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Rough on the intracoastal waters. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 6 to
7 feet, occasionally to 9 feet. Rough on the intracoastal waters.
A chance of showers. A slight chance of thunderstorms after
midnight.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Choppy on the intracoastal waters.
Showers likely with a slight chance of thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. A light chop on the intracoastal waters. A chance of
showers. A chance of thunderstorms in the evening, then a slight
chance of thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-140115-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
820 AM EDT Sun Sep 13 2026

.REST OF TODAY...West winds around 5 knots, becoming northwest
late this morning, becoming east early this afternoon, becoming
southeast late. Seas 2 feet. Wave Detail: East 2 feet at
9 seconds and southeast 1 foot at 3 seconds. Smooth on the
intracoastal waters. A slight chance of showers and thunderstorms
this afternoon.
.TONIGHT...South winds around 5 knots, becoming west after
midnight. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds and
southeast 1 foot at 3 seconds. Smooth on the intracoastal waters.
.MONDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds
and southeast 1 foot at 4 seconds. Smooth on the intracoastal
waters. A slight chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 feet. Wave
Detail: East 2 feet at 9 seconds and southeast 1 foot at
3 seconds. Smooth on the intracoastal waters. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.TUESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 4 seconds and east 2 feet at 9 seconds. A
moderate chop on the intracoastal waters. Showers likely with a
chance of thunderstorms.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at
7 seconds and northeast 3 feet at 4 seconds. Choppy on the
intracoastal waters. Showers likely. A chance of thunderstorms in
the evening, then a slight chance of thunderstorms after
midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Rough on the intracoastal waters. Showers
likely. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Rough on the intracoastal waters. Showers likely with a
slight chance of thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 5 feet, occasionally to
6 feet. Choppy on the intracoastal waters. Showers likely with a
chance of thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 4 feet. A light chop on the
intracoastal waters. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-140115-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
820 AM EDT Sun Sep 13 2026

.REST OF TODAY...West winds around 5 knots, becoming east early
this afternoon, becoming southeast late. Seas 1 to 2 feet. Wave
Detail: Southeast 1 foot at 3 seconds and northeast 1 foot at
9 seconds. Smooth on the intracoastal waters. A slight chance of
showers and thunderstorms this afternoon.
.TONIGHT...Southwest winds around 5 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 1 foot at 3 seconds and northeast 1 foot at
9 seconds. Smooth on the intracoastal waters.
.MONDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and northeast 1 foot at 9 seconds. Smooth on the
intracoastal waters. A chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...East winds around 5 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 1 foot at 3 seconds and east 1 foot at
9 seconds. Smooth on the intracoastal waters. A chance of
showers. A chance of thunderstorms in the evening, then a slight
chance of thunderstorms after midnight.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Northeast 2 feet at 3 seconds and northeast 1 foot at
10 seconds. A light chop on the intracoastal waters. Showers with
a chance of thunderstorms.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Northeast 3 feet at 5 seconds. A light chop
on the intracoastal waters. A chance of thunderstorms. Showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Choppy on the intracoastal waters.
Showers with a chance of thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Choppy on the intracoastal waters. Showers likely with a
chance of thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A moderate chop on the intracoastal
waters. Showers likely with a chance of thunderstorms in the
morning, then showers with thunderstorms likely in the afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly smooth on the intracoastal waters. Showers likely with a
chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-140115-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
820 AM EDT Sun Sep 13 2026

.REST OF TODAY...West winds around 5 knots, becoming southeast
late. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds and
south 1 foot at 3 seconds.
.TONIGHT...South winds around 5 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 9 seconds
and southeast 1 foot at 3 seconds.
.MONDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
9 seconds and southeast 1 foot at 4 seconds. A slight chance of
showers and thunderstorms.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 9 seconds and southeast 1 foot at
4 seconds. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.TUESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Northeast 4 feet at 5 seconds and east 4 feet at 9 seconds.
Showers likely. A slight chance of thunderstorms in the morning,
then a chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 7 feet at 8 seconds. Showers
likely. A chance of thunderstorms in the evening, then a slight
chance of thunderstorms after midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 7 to 8 feet,
occasionally to 10 feet. A chance of showers. A slight chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet. A chance of showers. A slight chance of thunderstorms in
the evening, then a chance of thunderstorms after midnight.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Showers likely with a chance of
thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-140115-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
820 AM EDT Sun Sep 13 2026

.REST OF TODAY...West winds around 5 knots, becoming southeast
late. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds and
north 1 foot at 3 seconds.
.TONIGHT...South winds around 5 knots, becoming southwest after
midnight. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds.
.MONDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds
and southeast 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 feet. Wave
Detail: East 2 feet at 9 seconds and east 1 foot at 3 seconds. A
chance of showers and thunderstorms.
.TUESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East
4 feet at 9 seconds and northeast 3 feet at 4 seconds. Showers
likely with a chance of thunderstorms.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to
5 feet, occasionally to 6 feet, building to 5 to 7 feet,
occasionally to 9 feet after midnight. Wave Detail: Northeast
5 feet at 6 seconds, becoming northeast 6 feet at 7 seconds and
north 4 feet at 8 seconds after midnight. Showers likely with a
chance of thunderstorms in the evening, then showers with a
slight chance of thunderstorms after midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Showers likely with a slight chance of
thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to
8 feet, occasionally to 10 feet. Showers likely with a chance of
thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Showers likely with a chance of
thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers likely with a chance of
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-140115-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
820 AM EDT Sun Sep 13 2026

.REST OF TODAY...Southwest winds 5 to 10 knots, becoming
southeast late. Seas 1 to 2 feet. Wave Detail: South 1 foot at
3 seconds and north 1 foot at 5 seconds. A chance of showers and
thunderstorms this morning.
.TONIGHT...Southwest winds around 5 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 1 foot at 3 seconds and east 1 foot at
9 seconds. A slight chance of showers and thunderstorms after
midnight.
.MONDAY...West winds around 5 knots, becoming northeast in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and east 1 foot at 9 seconds. A slight chance of
showers and thunderstorms.
.MONDAY NIGHT...East winds around 5 knots. Seas 1 to 2 feet. Wave
Detail: East 1 foot at 3 seconds and east 1 foot at 9 seconds. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.TUESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 4 seconds and east 1 foot at 9 seconds. A
chance of thunderstorms. Showers.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at
6 seconds. Showers likely with a chance of thunderstorms.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet, building to 6 to 7 feet, occasionally to
9 feet in the afternoon. Showers with a chance of thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. A chance of thunderstorms. Showers.
.THURSDAY...East winds around 10 knots. Seas 5 to 6 feet,
occasionally to 8 feet. A chance of thunderstorms. Showers.
.THURSDAY NIGHT...East winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers likely with a chance of
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$